Subject	1990 TT ECU in a 1994 NA.
Posted by	Lowfategg on May 16, 2012 at 12:01 AM
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Message	Hey guys, quick question. So recently I tried to chip my 1994 NA ECU (16 bit, daughter-board with 2 matching chips(its not an odd/even board)). Anyway something when wrong and I can't seem to get it to work (checked solder joints, tested connections with meter, and reseated chips, no luck.). Turn key, fan comes on before starting engine. When running, check engine light, and consult wont connect. Anyway, I am going to be sending it in to the guy I got the daughter-board and tune from. In the mean time, I have a TT ECU laying around for my upcoming TT swap. Its an earlier 8 bit version. My question is, can I use the TT ECU with one of the NA tune chips installed in it that came with the daughter board (I have a spare one)? I believe the daughter board just uses 2 "8 bit" chips anyway? Does a NA tune work in a TT ECU?
Follow Ups	1990 TT ECU in a 1994 NA. - Lowfategg 00:01:40 05/16/12
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